1998 Oldsmobile Achieva Oil Type & Capacity
The 1998 Oldsmobile Achieva oil type depends on the engine: the 2.4 T, 4T40E/MN4 takes 5W-30 (4.0 quarts with filter); the 2.4 T, 4T60E/M13 takes 5W-30 (4.0 quarts with filter); the 3.1 M, 4T40E/MN4 takes 5W-30 (4.5 quarts with filter); the 3.1 M, 4T60E/M13 takes 5W-30 (4.5 quarts with filter), per the factory service manual.
Factory-spec answer
It depends on the engine:
- 2.4 T, 4T40E/MN4: 5W-30, 4.0 quarts with filter
- 2.4 T, 4T60E/M13: 5W-30, 4.0 quarts with filter
- 3.1 M, 4T40E/MN4: 5W-30, 4.5 quarts with filter
- 3.1 M, 4T60E/M13: 5W-30, 4.5 quarts with filter
Oil capacity by engine
| Engine | Oil Type (viscosity) | Capacity w/ Filter | Capacity w/o Filter | Notes |
|---|---|---|---|---|
| 2.4 T, 4T40E/MN4 — 2.4L Eng | API - SAE 5W-30 | 4.00 QTS. | — | — |
| 2.4 T, 4T60E/M13 — 2.4L Eng | API - SAE 5W-30 | 4.00 QTS. | — | — |
| 3.1 M, 4T40E/MN4 — 3.1L Eng | API - SAE 5W-30 | 4.50 QTS. | — | — |
| 3.1 M, 4T60E/M13 — 3.1L Eng | API - SAE 5W-30 | 4.50 QTS. | — | — |
Buy the right oil
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More specs & repair guides for your Achieva
1998 Oldsmobile Achieva factory service manualAll fluid capacities (transmission, coolant, brakes)Powered by factory manual data from our partner site AllOEMManuals.com.
Coolant capacity
11.3 quarts (10.69 L) — 50/50 mixture of DEX-COOL and clean water (preferably distilled)
Frequently asked questions
What type of oil does a 1998 Oldsmobile Achieva take?
It depends on the engine: 2.4 T, 4T40E/MN4 uses 5W-30; 2.4 T, 4T60E/M13 uses 5W-30; 3.1 M, 4T40E/MN4 uses 5W-30; 3.1 M, 4T60E/M13 uses 5W-30.
How much oil does a 1998 Oldsmobile Achieva take?
Capacity depends on the engine: 2.4 T, 4T40E/MN4 holds 4.0 quarts with filter; 2.4 T, 4T60E/M13 holds 4.0 quarts with filter; 3.1 M, 4T40E/MN4 holds 4.5 quarts with filter; 3.1 M, 4T60E/M13 holds 4.5 quarts with filter.
Can I use synthetic oil in my 1998 Oldsmobile Achieva?
Yes. 5W-30 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 1998 Oldsmobile Achieva. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.